Description of business and basis of presentation (Details) - mi mi in Thousands |
9 Months Ended | |
---|---|---|
Sep. 30, 2024 |
Apr. 13, 2023 |
|
Description of Business [Line Items] | ||
Miles of transportation network | 20 | |
KCS | ||
Description of Business [Line Items] | ||
Ownership percentage, equity method investment | 100.00% |